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authorFredrik Thulin <fredrik@thulin.net>2016-05-16 15:45:02 +0200
committerFredrik Thulin <fredrik@thulin.net>2016-05-16 15:45:02 +0200
commit4c1eff0373b7a4a0072fc7515352139cd9d6d02f (patch)
tree597e448fbce65a3301413f376e9ac08d4023ef10 /libraries/mbed
parent9b73356f2831800d2328827998e1e5b2a1994b68 (diff)
Add code to talk with the external RTC chip.
Diffstat (limited to 'libraries/mbed')
-rw-r--r--libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_conf.h2
-rw-r--r--libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c35
2 files changed, 35 insertions, 2 deletions
diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_conf.h b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_conf.h
index 437ba0d..31c0e31 100644
--- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_conf.h
+++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_conf.h
@@ -68,7 +68,7 @@
//#define HAL_SDRAM_MODULE_ENABLED
//#define HAL_HASH_MODULE_ENABLED
#define HAL_GPIO_MODULE_ENABLED
-//#define HAL_I2C_MODULE_ENABLED
+#define HAL_I2C_MODULE_ENABLED
//#define HAL_I2S_MODULE_ENABLED
//#define HAL_IWDG_MODULE_ENABLED
//#define HAL_LTDC_MODULE_ENABLED
diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c
index 81f2367..a430c5e 100644
--- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c
+++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_hal_msp.c
@@ -47,7 +47,7 @@ void HAL_MspInit(void)
/* USER CODE END MspInit 0 */
- /* XXX
+ /* XXX
* Fredrik's HAL_MspInit sets this to NVIC_PRIORITYGROUP_4 (as just
* happened in HAL_Init), but then he resets it to NVIC_PRIORITYGROUP_0
* in stm_init. */
@@ -177,4 +177,37 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
}
}
+void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+ if (hi2c->Instance == I2C2) {
+ /*
+ * I2C2 GPIO Configuration
+ * PH5 ------> I2C2_SDA
+ * PH4 ------> I2C2_SCL
+ */
+ __GPIOH_CLK_ENABLE();
+
+ GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
+ HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
+
+ /* Peripheral clock enable */
+ __I2C2_CLK_ENABLE();
+ }
+
+}
+
+void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
+{
+ if(hi2c->Instance == I2C2) {
+ __I2C2_CLK_DISABLE();
+ HAL_GPIO_DeInit(GPIOH, GPIO_PIN_4 | GPIO_PIN_5);
+ }
+}
+
+
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/